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Assume you are spending Friday night on South Bass? On the Boat? If so, you probably don't need to run all the way to the major reef complex ("the cans") or back around to Mouse Island. The surface water temperature is already in the low 50's so the walleye that have spawned are off the reefs and shoals out in deeper water. Those that are still spawning will be on or near the reefs and shoals. You can start jigging right there on the short reef that runs off the NW point of South Bass, or on the shallows off the NE corner. If those don't produce, move south along the east shoreline to Starve Island area. You have that whole shallow areas in the South Passage to try jigging. If the jigging isn't working well enough, move to drift fishing in the deeper areas of the South Passage with worn harnesses or jerk baits. A lot depends on the weather and wind, as well as the clarity of the water. Look for clearer water and avoid the muddy or murky water. You should be able to figure out where and what works best on Friday, and have it easier on Saturday. Ask around when you get up there. Plan your day on wind direction ans speed. Listen to the VHF radio too. You may hear talk on there. If you want, you can move over to the major reef complex. You can also do the common thing - look for where the other boats are fishing.